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[00:26:29] <Aero-Tec> anyone got ideas on how to zero a diamond shaped tool that is pointing straight?
[00:27:05] <Aero-Tec> not sure how to zero the Z
[00:27:16] <Aero-Tec> X is no problem
[00:27:50] <NickParker> what do you mean by zero? Get it on the surface of the material?
[00:27:54] <Aero-Tec> working on zeroing all my tooling
[00:28:12] <NickParker> Oh nvm i get it
[00:28:12] <Aero-Tec> I am setting up the offsets
[00:28:25] <Aero-Tec> it is a lathe
[00:29:08] <toastydeath> Aero-Tec, do you have a plunge bar
[00:29:11] <toastydeath> like a cutoff tool
[00:29:30] <Aero-Tec> the diamond point is tapered on both sides
[00:29:44] <toastydeath> ironically does not answer the question
[00:29:46] <Aero-Tec> I have a cutt off tool yes
[00:29:51] <Aero-Tec> several of them
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[00:30:01] <toastydeath> okay, so what you're going to do is do a few plunge cuts
[00:30:27] <Aero-Tec> with the cut off?
[00:30:42] <toastydeath> get like a half inch wide of material plunged out
[00:30:44] <toastydeath> yes
[00:30:47] <toastydeath> not cut off, but plunged out
[00:30:52] <toastydeath> so you have sharp corners
[00:31:04] <Aero-Tec> do I leave space between the plunge cuts?
[00:31:08] <toastydeath> no
[00:31:15] <toastydeath> you are cutting a 1/2" wide channel with sharp corners
[00:31:36] <toastydeath> use your calipers and find the center of this channel
[00:31:55] <toastydeath> in relation to the bar, which you face off at zero
[00:32:06] <toastydeath> so now you know exactly where the center of this channel is
[00:32:40] <toastydeath> now you bring your diamond tool in, and you touch the sides of the tool (the tapered sides) to the corners of that channel
[00:32:42] <Aero-Tec> ok and zero on the point
[00:32:43] <toastydeath> note the locations on the readout
[00:32:58] <toastydeath> now find the center of the two touchoff points
[00:33:08] <toastydeath> jog the tool to that location, and trigger the tool touch
[00:33:18] <Aero-Tec> cool
[00:33:26] <Aero-Tec> thanks, good idea
[00:33:49] <toastydeath> it's a practice that's used a LOT
[00:33:59] <toastydeath> for all kinds of weird shit, like finding the centerline of holes VERY accurately
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[01:25:04] <nspiel> i am having problems wiring my robot arm
[01:26:08] <andypugh> Working out what wire is what, or something else?
[01:29:30] <nspiel> sort of yes
[01:29:41] <nspiel> so i know all 8 or so pins coming out the motor
[01:29:47] <nspiel> for encoder power ground signals etc
[01:30:28] <nspiel> but those female headers go from the motor into breakout boards in the robot and then end up in a 50 pin ribbon cable out the back of the robot composed of all the signals grounds etc
[01:30:41] <nspiel> im trying to find which wires are which on the 50 pin flat ribbon
[01:31:59] <andypugh> You can't buzz them through with a multimeter?
[01:32:06] <nspiel> thats what ive been doing
[01:32:15] <nspiel> ive gotten most of them that way but i ran into a problem
[01:32:29] <nspiel> so there is ground and power on the motor female pin
[01:32:50] <nspiel> i was able to get feedback with this ground and power as well as signal a and b with an arduino plugged into the encoder of the motor
[01:33:18] <nspiel> but when i buzzed them through to trace the ground and power back to the 50 pin flat ribbon they buzz out the same wires on the bottom
[01:33:41] <nspiel> even if i reverse the leads of the multimeter if it were to be some diode issue
[01:33:46] <RyanS> What sort of robot arm? Industrial, scratch build?
[01:34:29] <nspiel> industrial scara robot arm
[01:34:46] <RyanS> cool
[01:35:08] <andypugh> It's not unlikely that half the wires on the ribbon are grounds.
[01:35:32] <nspiel> thats what i was thinking but the +5v also buzzes the same output wires as the ground
[01:35:47] <nspiel> but when i buzz the 5v and ground on the breakout board they are not connected
[01:37:32] <andypugh> Another general thing to bear in mind, normally associated with buying a classic motorcycle in a a number of crates "Nobody ever dismantles a working motorcycle". Don't assume that the machine was thrown out and sold to you because it worked perfectly.
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[01:38:20] <nspiel> supposedly it was working. the guy gave it to me because he had didnt have space for it. everything so far that i have unwired and rewired this guy has done right so far
[01:40:04] <andypugh> Is this with the wires disconnected at both ends, or with them still connected to "stuff"?
[01:40:32] <nspiel> disconnected at both ends
[01:40:51] <nspiel> no motor connection to the breakout just probing the pins and with nothing attached to flat ribbon
[01:41:28] <andypugh> And you can see that the wires all the way through and there is no evidence of anything in the middle?
[01:41:44] <nspiel> pretty much yes
[01:41:55] <nspiel> the wires go all he way through for motor power
[01:41:58] <nspiel> i already wired that part
[01:44:07] <archivist> I expect multiple grounds in a ribbon, it helps reduce cross talk in the cable
[01:44:51] <nspiel> that is what i thought as well. but when i probe it i get +5v on about half of the ribbon
[01:45:24] <archivist> I have seen multiple power too
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[01:46:54] <archivist> but would expect a lower qty power than ground wires
[01:50:00] <nspiel> yep
[01:50:00] <archivist> or equal number
[01:50:18] <nspiel> something weird is going on
[01:50:33] <nspiel> the outputs of power and ground go to the same wires
[01:50:48] <nspiel> but when i probe across them on the breakout board they are not connected
[01:51:13] <andypugh> It's very easy to miss-assemble a ribbon connector.
[01:51:51] <archivist> or easy to fool one self if something is plugged in the other end
[01:52:16] <andypugh> So I can imagine that you might have a connector contact that shorts a wire, but then it would also have to contact both of them.
[01:53:05] <archivist> are the encoders connected during your testing the connections
[01:53:10] <nspiel> no
[01:55:34] <nspiel> another option that will get it working but isnt great is to just tap the female headers by making my own custom male headers that will go to the mesa boards
[02:01:30] <Aero-Tec> ok things are going well, but now need to zero my drilling tool holder
[02:01:41] <Aero-Tec> anyone got some ideas?
[02:07:26] <nspiel> does anyone have any other ideas
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[02:10:52] <Aero-Tec> I see your working on a robot arm
[02:11:01] <nspiel> yep
[02:11:03] <Aero-Tec> I would like to make a few of them
[02:11:09] <Aero-Tec> do you have any pix?
[02:11:18] <nspiel> nope
[02:11:29] <nspiel> sry
[02:11:36] <Aero-Tec> to bad, would love to see it
[02:11:45] <Aero-Tec> diy?
[02:12:16] <nspiel> its a repurposed industrial one that was pretty torn apart. im piecing it back/ restoring it and making it cnc
[02:12:23] <nspiel> i would eventually like to make it a cnc edm
[02:12:43] <Aero-Tec> now your talking
[02:12:57] <Aero-Tec> but will it be accurate enough?
[02:13:24] <Aero-Tec> arms are not known for accuracy
[02:13:28] <nspiel> accuracy on the arm is .015mm
[02:13:37] <spack> lol
[02:13:44] <spack> that seems unrealistic
[02:13:55] <Aero-Tec> depending on the arm and how new it is
[02:14:02] <spack> is it an awesome robot?
[02:14:13] <Aero-Tec> I was tempted to say the same
[02:14:29] <nspiel> http://global.epson.com/company/corporate_history/milestone_products/15_ssrh.html
[02:14:39] <Aero-Tec> that is some great specs
[02:14:51] <spack> also doesn't really look like an "arm" per se
[02:14:53] <nspiel> are you being serious or just kidding
[02:15:58] <spack> serious
[02:16:11] <nspiel> not you- aero-tec
[02:16:17] <spack> oh
[02:16:22] <nspiel> but yeah it doesnt really look much like an arm
[02:16:26] <nspiel> but it is a scara
[02:16:31] <spack> i can see that thing being pretty accurate
[02:16:34] <nspiel> which technically is a type of robot arm
[02:16:38] <spack> it's small and the links are short
[02:16:48] <spack> not many articulations, etc
[02:17:03] <spack> not like this thing
[02:17:04] <spack> http://thetechnicgear.com/wp-content/uploads/2013/05/six-axis-robot-arm.jpeg
[02:17:07] <spack> :)
[02:17:22] <nspiel> lol those are awesome
[02:17:26] <Aero-Tec> now that I see it I can see how they get that
[02:18:17] <nspiel> yeah if only i could wire it haha
[02:20:24] <Aero-Tec> what wires are you stuck on?
[02:20:49] <Aero-Tec> BTW any help with zeroing a drill tool holder?
[02:21:15] <nspiel> there is a 50 pin flat ribbon with all the signals in it coming out the back
[02:22:03] <Aero-Tec> you made sure pin 1 is correct?
[02:22:44] <Aero-Tec> one can plug then if the wrong way
[02:23:01] <Aero-Tec> if they do not have the tad to stop that
[02:23:19] <nspiel> i dont know which signals are where in the 50 pin flat ribbon
[02:23:28] <nspiel> i know which signals are which coming out of the encoders
[02:23:32] <nspiel> but there are break otu boards
[02:23:43] <nspiel> so i have been continuity probing the boards and the flat cable
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[02:24:00] <nspiel> but +5v and ground for encoders lead to output the same pins on the ribbon cable
[02:24:05] <Aero-Tec> also did you make sure the ribbon is the right one for the machine?
[02:24:14] <nspiel> yes it is
[02:24:40] <nspiel> it has a special connector into the arm and the ribbon fits it perfectly
[02:25:53] <archivist> I would be looking inside
[02:26:01] <Aero-Tec> sound like there is some thing amiss
[02:26:10] <Aero-Tec> some thing shorted maybe?
[02:26:40] <archivist> likely there is something in between
[02:26:41] <Aero-Tec> some pix would help some
[02:26:44] <nspiel> yeah i tihkn something is weird
[02:26:49] <nspiel> ok i will take some pics
[02:26:56] <nspiel> brb
[02:27:13] <Aero-Tec> back to zeroing a drill tool holder in a lathe
[02:27:17] <Aero-Tec> any help?
[02:27:19] <archivist> is there a board internally with signal buffers
[02:34:15] <nspiel> http://imgur.com/a/Jp92o
[02:34:52] <archivist> also "connected together" by an active internal circuit or filter would also mean > 0 ohms between 0 and 5v, use a better DVM
[02:35:40] <nspiel> hmm i think the one i have is pretty goodf
[02:36:54] <nspiel> http://www.extech.com/instruments/product.asp?catid=49&prodid=297
[02:37:22] <archivist> what is the resistance 0v-5v (both directions)
[02:37:31] <nspiel> .6ohm
[02:39:13] <archivist> if the dvm is good enough you can use it to trace the short
[02:40:43] <archivist> prod on all 5v pins/tracks looking for lower resistance
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[02:42:58] <nspiel> u mean on the 5v at the board and on all the outputs
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[02:52:24] <nspiel> any other ideas aero-tec
[02:52:36] <archivist> yes, but not sure of that dvms abilities as the lowest range is 200 ohms
[02:52:47] <Aero-Tec> what does the meter say when you short the probes together?
[02:53:09] <archivist> .6 for a guess
[02:53:31] <Aero-Tec> for leads shorted together that is very high
[02:54:02] <archivist> the spec sheet claims a micro ohm yet the display does not have the resolution
[02:54:34] <nspiel> it varies when you short the probe together
[02:55:32] <Aero-Tec> archivist, I was just looking at that and thinking the same thing
[02:55:34] <nspiel> .2 ohms when shorted together
[02:55:54] <archivist> I imagine you have the typical shiny probes, the surface contact is not good
[02:56:32] <archivist> I think you only have .1 ohm resolution
[02:56:38] <Aero-Tec> that sounds better, but still no micro ohm resolution
[02:56:55] <Aero-Tec> looks like
[02:57:05] <nspiel> yeah i have the shiny probes
[02:57:09] <Aero-Tec> and trouble shooting with that is limited
[02:57:21] <nspiel> but i have been using gator clips with them also
[02:57:29] <archivist> just as bad
[02:57:40] <nspiel> ya
[02:58:04] <Aero-Tec> one can track down shorts if the meters is sensitive enough, your is not that great
[02:58:09] <archivist> low resistance measurement is not well served by low cost meters
[02:58:31] <Aero-Tec> lol
[02:58:33] <Aero-Tec> no
[02:58:42] <Aero-Tec> so work with that we have
[02:59:05] <Aero-Tec> so where are you measuring from?
[02:59:08] <archivist> .1 resolution should be ok to get close to the short
[02:59:24] <Aero-Tec> end of cable or some where else?
[02:59:35] <nspiel> im measing from the connector in the first pic
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[02:59:58] <nspiel> do u see the male header with 9 pins on the right
[03:00:11] <nspiel> and also measuring from the flat cable
[03:00:20] <archivist> actually all those loose ends on one of the pics, human error and two ends touching ?
[03:00:32] <nspiel> possible
[03:00:44] <nspiel> i just spread them out more thinking that may be it
[03:00:56] <archivist> measure in the box with your cable unplugged
[03:01:11] <nspiel> oh good idea!
[03:01:30] <archivist> if you did the crimp....
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[03:02:18] <Aero-Tec> I was going to say the same thing, unplug cable
[03:02:26] <archivist> I have also seen the cut end at the connector have shorts, (blunt scissors)
[03:02:27] <nspiel> ok i will try that now
[03:02:42] <nspiel> ahh ok ill check that too
[03:04:47] <Aero-Tec> also do some measurements using the diode setting of the meter
[03:05:05] <Aero-Tec> junctions can play trick with meters
[03:05:23] <nspiel> thats the same setting on the dvm as the continuity check
[03:05:26] <nspiel> right?
[03:05:33] <nspiel> i did most measurements with that
[03:05:35] <Aero-Tec> more so if a cap is in circuit
[03:06:22] <archivist> one has to wait for the capacitors to charge
[03:07:25] <Aero-Tec> yes the continuity and diode are the same setting
[03:08:04] <Aero-Tec> maybe the continuity setting would give better res for ohms
[03:08:51] <Aero-Tec> so how are the readings?
[03:09:27] <archivist> typing while holding leads is impossible
[03:10:45] <Aero-Tec> for my centering problem I used a drill chuck Moise taper adapter with no chuck on it, wanted the centering hole for that it was made
[03:11:36] <archivist> that sentence needs rephrasing
[03:12:27] <Aero-Tec> stuck a mill centering/edge finder point in the adapter hole and felt for alignment of edge finder
[03:14:10] <Aero-Tec> not the best option but it did sort of work
[03:14:11] <archivist> for low restance measurements, I like a dvm which has a null option to remove the lead resistance
[03:14:28] <Aero-Tec> they are nice
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[03:26:13] <tjtr33> nspiel, cnc edm? i specialize in cnc edm. just added a rack atc to a TNC 416 control.
[03:26:15] <tjtr33> i'm trying to use Hal to control paths and orbiting ( sinker, not wedm )
[03:26:30] <tjtr33> my 6dof robot would only change tools for me
[03:31:03] <tjtr33> http://imagebin.org/268596
[03:31:40] <tjtr33> hacked an ONA c axis into it too
[03:56:11] <nspiel> i was planning on trying to making a sinking edm
[03:56:14] <nspiel> not wire
[03:57:12] <nspiel> wow that is awesome
[03:57:28] <nspiel> that is my goal as well to use hall for path control
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[04:17:22] <nspiel> i think the probing from the actual connector worked!
[04:17:29] <nspiel> it must have been an issue with the ribbon cable
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[04:41:37] <tjtr33> beware of the shield ( shroud on the ribbon ) sometimes cnxd to gnd, sometimes to separate shield
[04:42:49] <tjtr33> ( listens to G Thorogood's HoodoUluv really loud )
[04:47:46] <tjtr33> the edm generator ctl is simple in hal. the motion is more difficult.
[04:48:04] <tjtr33> cutting to a depth and then changing power settings is ok too
[04:48:12] <tjtr33> but orbiting is a bit tricky
[04:48:16] <nspiel> really? tjtr33 i am super interested in talking to you more about thisw
[04:48:23] <nspiel> i pretty much know nothing but im itching to learn
[04:49:23] <tjtr33> i use John Kasunich's hal demo with sin & cos fed to x & y to orbit while Z sinks ( still very very beta )
[04:49:45] <tjtr33> here it is working
http://videobin.org/+6ty/8bc.html
[04:50:45] <tjtr33> it ping pongs between two soft limits, allows a jump cycle for flushing, other stuff
[04:50:56] <tjtr33> what are you doing for generator?
[04:51:12] <tjtr33> hey you're chicago right?
[04:51:45] <nspiel> nope sorry
[04:51:53] <tjtr33> oh someone else, np
[04:51:53] <nspiel> also im pretty clueless about most of this stuff
[04:52:53] <tjtr33> theres a ton of super tech stuff, but it boils down to an rc servo like operation, the tool tip stay a volatge based distance from the work
[04:52:55] <nspiel> thats pretty awesome
[04:53:22] <tjtr33> it smokes! ( 63 amp module in dead short )
[04:53:34] <nspiel> rc servo as in a similar control output from mesa boards? or how do u control it?
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[04:54:57] <tjtr33> no not mesa specific. i use a window comparator with 2 thresholds. above hiVal is 'move down', below loVal is "moveAway", in between is 'dont move'
[04:55:54] <tjtr33> those 2 data feed a change in position to the axis. the axis position is controlled by Hal, not a pid loop nor linuxcnc.
[04:56:24] <tjtr33> either the tool fails and sits at start position for a time, or
[04:57:05] <tjtr33> the tool sits steady at a final position for a time ( sparks out ) and hands control back to the linuxcnc gcode
[04:57:48] <tjtr33> ( er maybe i do use a pid loop, been a lot of stuff happening since january )
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[05:00:02] <tjtr33> in the vid, i use M1xx codes to change edm parameters
[05:00:40] <nspiel> so i am a total noob to this and understood only about half of this
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[05:02:43] <tjtr33> np, goto to a mold shop, and sit on a stool and stare into a machine for a long time :)
[05:02:44] <tjtr33> that'll teach you more than the physicists will
[05:03:03] <tjtr33> well, after staring, what they say will have some meaning maybe
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[05:03:15] <nspiel> hahaha cool
[05:03:21] <nspiel> what type of mold shop specifically
[05:04:04] <tjtr33> any mold shop that has edm ( or turbine shop or medical implant maker or... )
[05:04:27] <tjtr33> sink edm, wedm is just numbers, sink edm is a craft
[05:04:45] <nspiel> yeah it is pretty insane. i want to make turbines
[05:04:55] <nspiel> what is the best metal for turbines
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[05:05:44] <tjtr33> hehe for ge i did 13 channels of 60 amps each, a cage of electrodes surrounding a 52" blade. it bounced back and forth inside the cage
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[05:06:21] <nspiel> omg that is crazy
[05:06:21] <tjtr33> cutting on the fwd and the reverse strokes, insane proof of concept. it worked ( titanium )
[05:07:01] <tjtr33> wish they bought the idea :( i did it for an eng i knew there
[05:07:16] <nspiel> that is so awesome
[05:07:23] <nspiel> are you an engineer yourself
[05:08:02] <tjtr33> self taught edm hacker, no degrees ( certs from mfctrs if that counts )
[05:08:29] <tjtr33> went to school for architecture, ran outta money, became a mold maker
[05:08:55] <nspiel> wow awesome
[05:08:58] <tjtr33> anyways, lemme know if i can help
[05:09:27] <nspiel> yeah, basically i just want to make a sinking edm
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[05:09:31] <nspiel> not really sure where to start
[05:09:35] <nspiel> i got my robot arm for free
[05:09:43] <nspiel> so im basically getting it up and runing now
[05:09:45] <nspiel> as a cnc
[05:09:57] <nspiel> then hopefully to make it an edm after that
[05:11:28] <Chemeleon> sweet - I'd looked into robo arms before building my gantry router, but couldnt find anything reasonably priced
[05:11:31] <Chemeleon> how'd you swing a free one?
[05:11:41] <tjtr33> well, there's Ben ????'s book ( single axis sinker ) and plans for a sinker available. google 'garden of edm' and 'kmaxon edm'
[05:12:18] <tjtr33> the diy generators are crap cap discharge ( i use a fet system with programmable on & off times )
[05:12:48] <tjtr33> and the diy servos are simplistic ( so is mine ) but seem effective in practice
[05:15:07] <tjtr33> ben fleming iirc
http://homebuiltedm.tripod.com/
[05:17:30] <nspiel> from a lab cleanout
[05:18:32] <Chemeleon> nice deal
[05:19:16] <Chemeleon> I've gotten some good buys at auctions due to all the furniture companies that've closed up around here, but nothing that can compete with a free roboarm :)
[05:20:05] <nspiel> and also got the computer to run it for free
[05:20:11] <nspiel> and the drivers
[05:20:16] <nspiel> and power supplies
[05:20:33] <nspiel> the computer is a dual core intel with integrated parallel and 4 gigs of ram
[05:20:40] <nspiel> super low latency
[05:25:11] <tjtr33> please post the latency test results and the board info on the wiki. we all need resources for lo latency hdwr.
[05:28:06] <nspiel> what do u mean by board info on the wiki?
[05:29:39] <tjtr33> the identifier of the mobo pcb, the cpu info, clock speed, bus speed, whatever would let a reader buy the same thing and get the same result
[05:31:07] <nspiel> oh ok
[05:33:10] <tjtr33> its not easy to find good hdwr. thus the recent efforts looking at dividing work across a pc and a dedicated tiny computer ( BBB et al )
[05:33:30] <tjtr33> so you can help a lot of people by posting info on good hdwr
[05:33:57] <nspiel> i have two lcnc computers the one im talking about is significantly better than the other
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[05:58:15] <nspiel> what is the proper way to strip one of those 50 wire connector flat ribbon cables?
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[06:13:58] <t12> usually you press an idc ribbon connector onto them
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[06:57:41] <DJ9DJ> moin
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[11:52:47] * jthornton needs to stop looking a vector duty motors for the mill LOL
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[12:13:47] <JesusAlos> hello
[12:14:30] <JesusAlos> I looking for a economical and basic PC for linuxcnc. With LPT port embebed and 1 or 2 PCI port
[12:14:55] <JesusAlos> eny body know some one?
[12:17:12] <jthornton> there has been some discussion on the forum about this
[12:18:06] <JesusAlos> remember the issue?
[12:18:22] <JesusAlos> ok
[12:18:27] <JesusAlos> found it
[12:18:29] <JesusAlos> thank
[12:18:30] <jthornton> just disucssions about what boards work
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[12:53:57] <JesusAlos> see you
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[13:55:00] <Aero-Tec> looking for some advice, best way to zero the drill tool holder
[13:57:07] <Aero-Tec> what I have done is us a pointed mill center/edge finder and a moires taper chuck adapter with a center drill hole they used to make it
[13:58:38] <Aero-Tec> stuck finder in spindle and adapter in tool holder and felt for alignment
[13:59:04] <Aero-Tec> did not turn on spindle
[13:59:34] <Aero-Tec> needed to line up both up and down and in and out
[14:00:18] <Aero-Tec> so mt guess is that it is close, but not 100% bang on
[14:03:32] <Aero-Tec> only other thing I can think of right now is to use the finder with it spinning in chuck and run it like it was in a mill and center holder with out a adapter in the holder
[14:05:40] <Aero-Tec> would like a better way to set the holder hight, the finder in the spindle trick will not work for checking and setting holder hight
[14:07:22] <Aero-Tec> a camera for doing alignment on a mill would be cool
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[14:07:41] <Aero-Tec> how accurate can that be?
[14:08:48] <Aero-Tec> I know some guys use a camera to find the edge of work on a mill, how accurate and well does that work?
[14:08:59] <archivist> or a switch
http://www.youtube.com/watch?v=Bg8b4OyRZXk
[14:09:00] <Tecan> (Bg8b4OyRZXk) "EMC2 Manual toolchange with length probe" by "Michael Haberler" is "Tech" - Length: 0:00:39
[14:10:55] <Aero-Tec> that is tool length
[14:11:37] <Aero-Tec> I am working on a lathe and need to set tool holder hight and zero the x
[14:12:52] <Aero-Tec> if tool hight was cnc controlled I could easily center the tool holder just with a edge finder
[14:12:58] <archivist> height is a mechanical problem
[14:13:30] <Aero-Tec> lol there in lyes the problem
[14:13:52] <Aero-Tec> how to center the hight
[14:14:12] <Aero-Tec> I used a dial gage to set all the other cutters
[14:15:01] <archivist> you know the center height, you know half the diameter of the drill
[14:16:13] <archivist> hint digital caliper and its zero function
[14:16:24] <Aero-Tec> half the diameter of the drill does not get you center height, or am I missing something?
[14:16:43] <Aero-Tec> how does that help?
[14:17:14] <archivist> maffs, add the two numbers I first thought of
[14:19:04] <archivist> set caliper to center, zero it, measure drill in chuck to ways, it should read half the drill dia
[14:22:03] <Aero-Tec> how do you set caliper to center? then how would you measure drill chuck 2 ways?
[14:22:14] <Aero-Tec> you have completely lost me
[14:22:26] <Aero-Tec> and what is maffs?
[14:22:27] <archivist> dont make me draw it!
[14:22:33] <Aero-Tec> lol
[14:23:15] <Aero-Tec> guess I will have to get some coffee in me so I can keep up to you
[14:23:23] <archivist> what is the center height of your lathe...the number
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[14:25:06] <Aero-Tec> I have no clue, would depend on what part of the lathe you measured from, and seeing as the center if the lathe bed is hollow there is no center part to measure from to measure center of tool holder
[14:25:32] <archivist> from the same reference you used a dti
[14:26:24] <Aero-Tec> dti?
[14:26:29] <archivist> the absolute number does not actually matter, just need a reference you can use
[14:27:26] <archivist> dial test indicator
[14:27:26] <Aero-Tec> I have a hight gage that I use on the mill
[14:28:05] <archivist> how do you set the turning tools
[14:28:25] <Aero-Tec> I used that on the top of the carriage and top of stock in chuck
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[14:29:02] <archivist> you want the middl of the stock for tool height
[14:29:14] <Aero-Tec> dial gage, used like a hight gage measure top of stock and then tool point
[14:29:24] <archivist> and that is half the dia....
[14:30:12] <archivist> for this you will not be fed a fish
[14:30:39] <Aero-Tec> tool hight is not as critical +- 10 thou is in range
[14:30:41] <Aero-Tec> lol
[14:31:05] <archivist> sure it is as critical for good work
[14:31:19] <Aero-Tec> I was wanting as perfect alignment as possible
[14:31:25] <archivist> 20 thou pip is huge
[14:31:42] <Aero-Tec> for lathe tool hight?
[14:31:47] <archivist> yes
[14:32:11] <archivist> I turn stuff smaller than that
[14:32:26] <Aero-Tec> some say run at center, some say run low of center and yet some others say run high of center
[14:32:43] <Aero-Tec> to help stop chatter
[14:32:53] <archivist> all depends on the work, and how it springs
[14:33:06] <Aero-Tec> you turn things smaller then 10 thou?
[14:33:42] <archivist> but back to basics you need to learn what your basic exact center height from some reference is
[14:33:55] <archivist> watch parts
[14:34:23] <archivist> clock pivots
[14:34:28] <Aero-Tec> so you not using carbide cutters
[14:34:44] <archivist> hss for that
[14:34:54] <Aero-Tec> that was my guess
[14:35:00] <archivist> I use carbide on the bigger machine
[14:35:28] <Aero-Tec> so you have a cnc watch lathe?
[14:35:41] <Aero-Tec> or is that one hand crank
[14:35:48] <archivist> I still hate pips, you do not want to be wasting time cleaning the pips of as a second op
[14:36:39] <archivist> hand, or even with a graver and rest
[14:37:46] <Aero-Tec> I have it very close to center for the other tools
[14:38:19] <Aero-Tec> tried to get dial gage ball right on the tip of tool
[14:39:13] <archivist> many make a plate to sit across the ways to measure from
[14:39:46] <Aero-Tec> with out some sort of small camera to get right in that tight spot I was not 100% sure the ball was setting properly on the tip
[14:40:45] <archivist> caliper has a right angle therefore gets that right
[14:40:53] <Aero-Tec> my hight gage would be better choice but could not get into where it needed to
[14:41:51] <archivist> there is a built in height gauge in digital calipers
[14:42:56] <Aero-Tec> how would you use a digital caliper on a lathe for setting height?
[14:43:47] <archivist> not drawing it...grrr
[14:44:09] <Aero-Tec> not sure if something would set flat on my lathe bed
[14:44:19] <archivist> not even googling it either
[14:44:25] <Aero-Tec> will have to check
[14:45:13] <archivist> there will be a gazillion sites out there with the needed diagrams
[14:45:25] <Aero-Tec> I know how to use digital calipers
[14:45:57] <Aero-Tec> I have tried to use google for this
[14:46:02] <Aero-Tec> no help
[14:46:12] <Aero-Tec> must be searching the wrong thing
[14:46:34] <Aero-Tec> any suggestion on searching
[14:48:08] <Aero-Tec> searching "cnc lathe zero drilling tool" does nothing useful
[14:49:19] <Aero-Tec> to use a digital caliper on a lathe you would need some thing to measure to
[14:51:23] <archivist> another tool is a center finding dial indicator
[14:51:30] <Aero-Tec> there is no center part of the lathe, not sure if having something on the bed would be flat, will have to check and see how flat something would sit on the lathe ways will be
[14:52:17] <Aero-Tec> that would be nice, or maybe a wobble tool, but I have nether of them
[14:52:35] <archivist> you pit the diacator or similar in the morse of the spindle and indicate the drill shaft
[14:52:40] <archivist> put
[14:55:42] <archivist> a version of fleabay item 200954797282
[14:55:51] <archivist> I have a broken one
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[14:56:33] <archivist> paid about 50 for mine but it got dropped
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[14:58:28] <archivist> but this is the cheap chines copy 390618329526
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[15:03:26] <Aero-Tec> guess I got to get me one of them
[15:04:06] <Aero-Tec> was looking for how to use a digital caliper for setting lathe height tooling
[15:04:13] <Aero-Tec> have not found it yet
[15:05:15] <archivist> you can measure a lathe tool add half a drill and....
[15:06:16] <archivist> we had someone else have trouble with half a diameter the other week
[15:09:11] <jthornton> Aero-Tec, make a height gauge like Hardinges have
[15:09:49] <jthornton> http://aafradio.org/garajmahal/Hardinge_L-2A_Tool_Setting_Gauge.html
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[15:11:31] <jthornton> I guess now that I have a surface grinder I could make a spindle gauge
[15:12:25] <archivist> you have the luxury of the flat way :)
[15:13:28] <jthornton> yes, I don't see how to do that on the Samson lathe with conventional ways
[15:13:58] <archivist> others either make a bridge across the gap to work off or one that can work from a distance or off the carriage
[15:14:46] <jthornton> lacking that I have one of these but you have to take the work out of the chuck
http://www.edgetechnologyproducts.com/lathe-tool-positioning-gage.html
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[15:15:37] <archivist> he is wanting to set a drill in a chuck though
[15:15:52] <Aero-Tec> still wondering how to use a digital caliper to set tool height
[15:15:58] <archivist> which is...half a dia higher
[15:16:23] <archivist> or less if measuring under
[15:16:59] <Aero-Tec> I have been googling it and still no idea how to do it
[15:18:07] <Aero-Tec> archivist, how on earth can one use a digital caliper to set tool height, or better yet drill holder tool height
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[15:23:20] <Aero-Tec> jthornton, cool tool but I have nothing to use to set it on, would need to make something to sit flat on the ways for something like that to work
[15:23:24] <archivist> picture....
[15:24:17] <JT-Shop> yea, I'
[15:24:32] <JT-Shop> m just looking at my Samson and it won't work there either
[15:24:44] <archivist> any sheet of ground flat as the bridge piece
[15:25:03] <JT-Shop> something L shaped would work off of the cross slide
[15:27:57] <archivist> http://www.collection.archivist.info/archive/DJCPD/PD/2013/2013_08_25_drill_center/IMG_1656.JPG
[15:28:42] <archivist> even chucked a drill bit in a holder
[15:29:44] <archivist> was to lazy to fire it up to move it to a place where I could measure off the rear flat
[15:31:46] <Aero-Tec> using my height gage would be better then that I would think
[15:32:32] <archivist> and that could work off the flat on the cross slide
[15:33:45] <Aero-Tec> I never did trust caliper measurements like that, to easy to not be 100% spot on, any angle at all will mess up the reading
[15:35:19] <archivist> you can use the other end of the caliper which has a wider area to ensure square, and hold it against something
[15:35:50] <archivist> easy enough to get to a thou
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[15:40:12] <Aero-Tec> thanks for the help
[15:40:29] <Aero-Tec> I have some ideas now
[15:41:27] <Aero-Tec> not sure about the caliper idea, will see about using height gage
[15:41:36] <Aero-Tec> same thing mostly
[15:45:35] <Tom_itx> put a tool blank in the drill chuck, put a last word in the lathe chuck
[15:46:15] <jdh> it's hard to read the last word for half the rotation
[15:46:15] <Tom_itx> easy peazy
[15:46:30] <Tom_itx> use a rubber neck or a mirror
[15:47:57] <Tom_itx> or better yet instead of a drill blank, a round certified hole gage
[15:48:13] <Tom_itx> at 68F room temp
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[15:50:31] <Tom_itx> or better yet, a co-ax indicator
[15:50:42] <Tom_itx> http://www.travers.com/blake-co-ax-indicator-set?Category=UserSearch=centering%20indicator||UserSearch=block%20id%2037205%20and%20class%20level3%20id%20298586
[15:51:26] <Tom_itx> although that may not work as well for this
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[15:54:12] <Tom_itx> you would want to check your spindle runout before you do that though
[15:55:01] <archivist> coax indicator should work well even with a bent spindle
[15:56:21] <Tom_itx> the last word is a poor man's coax
[15:56:23] <Tom_itx> :)
[15:56:50] <archivist> never head that name before
[15:56:56] <archivist> heard
[15:56:57] <Tom_itx> really?
[15:57:50] <Tom_itx> http://www.travers.com/last-word-dial-test-indicators-sets?Category=UserSearch=last%20word%20indicator||UserSearch=block%20id%2087243%20and%20class%20level3%20id%20298927
[15:58:22] <Tom_itx> you probably own one under another name :D
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[15:58:41] <IchGuckLive> hi all B)
[15:58:52] <IchGuckLive> a wonderfull day in germany
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[16:41:40] <archivist> Tom_itx, I have starrett catalogues and never seen that name for that style
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[16:48:09] <archivist> Tom_itx, over here a company called Verdict were popular for that style
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[16:51:23] <andypugh> Which style? rod in the back?
[16:52:29] <IchGuckLive> they write asecret letters
[16:53:41] <archivist> andypugh, he was calling that a "last word"
[16:53:57] <archivist> a term I had not heard of
[16:54:00] <andypugh> I thought that was a brand.
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[16:54:29] <jdh> I thought they were specific Starrett types
[16:54:33] <andypugh> http://littlemachineshop.com/Products/Images/480/480.711LPSZ.jpg
[16:54:47] <archivist> some sellers do confuse brand and item !
[16:54:51] <andypugh> Yes, it looks to be written on the dial of that Starret
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[16:56:20] <archivist> today been looking at some filth called "involute trigonometry"....
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[17:26:36] <Aero-Tec> gear porn, got to love it
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[17:36:00] <archivist> Aero-Tec, adding more to
http://www.archivist.info/gear/designbevel.php until I understand all the numbers
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[17:48:12] <Aero-Tec> archivist, you do some cool stuff
[17:48:30] <Aero-Tec> was looking through your web site
[17:49:14] <Aero-Tec> how did you cut the extremely small worm gears?
[17:49:34] <archivist> which ones :)
[17:50:12] <archivist> sone I screw cut, some I made a jig and milled
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[17:50:56] <Aero-Tec> was that a dremal you used?
[17:51:42] <Aero-Tec> http://gears.archivist.info/gears/p1010058_500.jpg
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[17:51:55] <archivist> milled in the 4 axis at the time mill
http://gears.archivist.info/gears/p1010058_500.jpg
[17:52:42] <archivist> full length support to the bar and a flycutter
[17:53:28] <archivist> and a dremel is not up to that
[17:53:44] <Aero-Tec> full length support? that must be some jig
[17:54:03] <archivist> lump of brass
[17:54:07] <Aero-Tec> would love to see pix of the jig
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[17:55:51] <Aero-Tec> http://gears.archivist.info/gears/P9190293_500.JPG
[17:56:03] <Aero-Tec> was that a cut gear?
[17:56:33] <Aero-Tec> if so must have been a killer to grind the cutting tool
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[17:57:24] <archivist> use a watch milling cutter for that on a safag pinion machine
[17:57:32] <archivist> used
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[17:58:14] <archivist> about .2 mod iirc
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[17:58:47] <Aero-Tec> so you can buy watch milling cutters?
[17:58:54] <Aero-Tec> lol that is so cool
[17:59:03] <archivist> often one has to cut more than one to get something close to needs
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[17:59:51] <archivist> http://www.ppthornton.com/
[18:00:29] <Aero-Tec> is this what you do for a living? or are you retired with tons of time to play and have fun?
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[18:01:18] <archivist> I got made redundant, so now scratching a living in poverty
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[18:03:21] <archivist> two gear jobs so far this year :(
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[18:04:52] <Aero-Tec> make yourself unredundant
[18:05:01] <Aero-Tec> sell clock kits
[18:05:08] <Aero-Tec> sell clock parts
[18:05:23] <Aero-Tec> sell wooden clocks and kits
[18:06:12] <Aero-Tec> sell small planet gears systems for cnc
[18:07:05] <Aero-Tec> your the gear King of the jungle roar a little and let other know your the king
[18:07:06] <Aero-Tec> lol
[18:07:36] <Aero-Tec> I bet you could get a good biz making gears for cool things
[18:07:37] <archivist> you need cash to buy stock
[18:08:32] <Aero-Tec> with the size of things you make just go to machine shops and buy scrap ends for scrap price
[18:08:56] <Aero-Tec> sell them a cool clock for giving you there scraps
[18:09:30] <archivist> I dont think you realise the hours needed to make a clock
[18:09:36] <Aero-Tec> your working with sizes they throw away
[18:09:53] <Aero-Tec> depends on the clock
[18:10:02] <Aero-Tec> look up wooden clocks
[18:10:15] <Aero-Tec> some of them are quick and easy
[18:10:28] <archivist> my first clock repair was a wooden clock
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[18:11:01] <Aero-Tec> there are lots of cool clock designs, some very involved and some that are very basic
[18:11:15] <Aero-Tec> some are just one hand
[18:11:26] <archivist> perhaps you have never done any cashflow analysis
[18:12:07] <Aero-Tec> so what do you do for money now days if I can ask?
[18:12:58] <Aero-Tec> hope your not lushing paper with your skills
[18:13:03] <Aero-Tec> pushing
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[18:13:30] <Aero-Tec> would be a waste of skill
[18:14:31] <archivist> mowing the lawn and unloading a lorry friday for a few pennies, helping changing a lorry clutch thursday
[18:15:04] <archivist> else nothing of any substance
[18:15:29] <Aero-Tec> so your doing odd jobs as they come up
[18:15:30] <archivist> yes
[18:15:45] <Aero-Tec> where do you live, the UK?
[18:15:51] <archivist> de virus a computer wednesday
[18:15:56] <archivist> UK yes
[18:16:14] <Aero-Tec> I am looking to make a line of airgun parts
[18:16:22] <Aero-Tec> there are big in the UK
[18:16:40] <Aero-Tec> I could use a good guy there to sell and ship stuff
[18:17:03] <Aero-Tec> not a good use of your skill but it would be money if your interested
[18:17:31] <Aero-Tec> I would bulk ship to you and you would post it
[18:18:00] <Aero-Tec> maybe help with some ideas of new stuff to make
[18:18:46] <Aero-Tec> sales would be nothing more then posting in forum on the net, the odd show if your wanting to
[18:19:05] <Aero-Tec> nothing back braking
[18:19:09] <archivist> there is a local who want some "accounts " on his laptop for his airgun thing
[18:20:39] <Aero-Tec> so he want to trade with you? you do some computer work and he give you some sort of airgun thing?
[18:20:44] <archivist> he runs an airsoft site
[18:21:09] <Aero-Tec> any explanation of what type of airgun thingy?
[18:21:30] <archivist> nah he want cheap accounting loading on his laptop, not decided if I dare take that on though
[18:21:53] <archivist> google airsoft
[18:21:57] <Aero-Tec> I have not got into airsoft yet
[18:22:25] <archivist> bb guns and shooting each other I think
[18:22:29] <Aero-Tec> airsoft is big, I know all about it, just have not got into making anything for airsoft yet
[18:22:41] <Aero-Tec> yes, plastic BBs
[18:22:56] <Aero-Tec> and they shoot the heck out of each other
[18:23:08] <Aero-Tec> and they can sting when they hit
[18:23:34] <Aero-Tec> a friend of mine uses a airsoft gun to train his dog
[18:25:43] <Aero-Tec> he calls the gun a nug, as he often talks guns so he did not want to dog to react to him said gun, so when he says to the dog do you want me to use the nug the dog knows exactly what he is talking about
[18:26:26] <Aero-Tec> oops, should have proof read
[18:27:28] <Aero-Tec> so are you looking for something to do or are you good doing what your doing? BTW you can do both, what your doing now and airgun stuff
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[18:28:36] <archivist> I have ..."spare capacity" :)
[18:28:57] <Aero-Tec> cool
[18:29:25] <archivist> but we do have rather strict rules in the UK so would have to check up
[18:29:59] <Aero-Tec> still setting up, got some customer stuff I have to finish and have 2 week Holiday coming up and then we should be good to go
[18:30:05] <Aero-Tec> yes I know
[18:30:32] <Aero-Tec> 12 foot pound limit
[18:30:37] <Aero-Tec> I do parts
[18:30:42] <archivist> but for gun and clock interest
http://www.collection.archivist.info/searchv13.php?searchstr=proof+house
[18:31:16] <Aero-Tec> springs and other things, they have to make sure any mods fall into legal limits
[18:31:35] <ReadError> http://imgur.com/a/CoZOV
[18:31:41] <ReadError> thats my newest project
[18:31:44] <ReadError> finished it last night
[18:32:06] <ReadError> http://i.imgur.com/vuF8pUKh.jpg
[18:33:58] <archivist> what is the average time to crash from build
[18:34:25] <Chemeleon> heh
[18:34:26] <Chemeleon> nice build :)
[18:34:55] <Chemeleon> how much does the carbon fiber for something like that run?
[18:35:29] <Aero-Tec> cool toy ReadError
[18:35:35] <Aero-Tec> very nice
[18:36:53] <andypugh> How do you measure muzzle energy in torques?
[18:37:18] <Aero-Tec> archivist, love that old pepper box gun, did a search for gun
[18:38:03] <Aero-Tec> not sure what you call that gun over there, but here it is known as a pepper gun
[18:38:12] <archivist> there is a trolley of guns amongst that clock repair job I spied off the roof
[18:38:22] <Aero-Tec> nothing to do with torque
[18:38:38] <ReadError> Chemeleon
[18:38:53] <ReadError> maybe like, 30$
[18:38:53] <andypugh> If it is in units of forc x distance then it is in torques.
[18:39:09] <Aero-Tec> no distance
[18:39:16] <ReadError> archivist: i build them to stand up to crashing ;)
[18:39:17] <Chemeleon> cool, thats not too bad
[18:39:36] <Chemeleon> I've got a few things I'd like to try with carbon fiber eventually, but havent yet gotten around to it
[18:39:37] <Aero-Tec> just speed and weight of bullet
[18:39:38] <archivist> ReadError, that is what they all say !
[18:39:56] <Chemeleon> my brother recently got a job at boeing where he works with the stuff all day, but keeps insisting he cant bring home their scraps :(
[18:40:15] <andypugh> Aero-Tec: Foot = length. pound = weight, or force. You have a stupid system of units so it isn't obvious.
[18:40:52] <Jymmm> https://lh3.googleusercontent.com/-6nptRqDPxic/UbNuSI4PhXI/AAAAAAAABSY/_ebbK2vhTgE/w800-h800/1363_466738686751483_926088008_n.jpg
[18:41:41] <Aero-Tec> not mine or our unit of measurement, it is world wide unit for muzzle energy of a gun
[18:42:46] <Aero-Tec> http://en.wikipedia.org/wiki/Muzzle_energy
[18:43:37] <andypugh> Ah, wait, torque is the cross-product. The dot-product is work, ie energy. I will go stand in the corner with my dunces cap on.
[18:43:40] <Aero-Tec> http://www.pyramydair.com/article/What_is_Muzzle_Energy_August_2003/5
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[18:51:10] <skunkworks> http://www.youtube.com/watch?v=KOunMDfuC4M
[18:51:11] <Tecan> (KOunMDfuC4M) "Emco PC 5 Lathe making chess pawn Linuxcnc with no changes to electronics just changes in program" by "SamsProjectShop" is "Tech" - Length: 0:05:21
[18:51:33] <skunkworks> (sorry about the focus...) (it was dads fault)
[18:52:41] <skunkworks> comes into focus at about 3:20 :) for a bit
[18:55:48] <andypugh> I want to make a solid gold chess pawn on my lathe. I wonder if my sister can lend me some gold?
[18:56:09] <skunkworks> your sister has gold laying around?
[18:56:21] <andypugh> She's a jeweller :-)
[18:56:26] <skunkworks> ah
[18:56:30] <skunkworks> :)
[18:56:36] <archivist> in the scale I normally work maybe
[18:57:34] <archivist> polish some brass and lacquer it
[18:57:57] <andypugh> I would just cash it all back in again as scrap :-)
[18:58:19] <archivist> sis might get mad
[18:59:57] <andypugh> I was thinking more "Alison, for fun, can you cast some of your gold scrap into a rod for me, then I will make a chess piece, and we can weigh it all back in again as scrap"
[19:01:05] <pcw_home> got to collect _all_ the swarf
[19:01:36] <skunkworks> and don't breath in..
[19:01:47] <pcw_home> or sneeze
[19:02:49] <skunkworks> although you might want to save some of the shavings in case the cybermen attack...
[19:03:07] <archivist> and wear the special apron to catch the dust
[19:06:40] -!- Cindy_90 [Cindy_90!~Cindy@net-188-152-99-46.cust.dsl.teletu.it] has joined #linuxcnc
[19:06:49] <Cindy_90> ciao non so se posso chiedere a voi
[19:07:05] <Cindy_90> ho un problema con linux mint 15 mi aiutate? please :)
[19:07:26] <Chemeleon> the waste of wood sawdust bugs me enough, I cant imagine how bad I'd be about collecting things if the shavings were reusable like gold :)
[19:07:57] <archivist> Cindy_90, google translate ?
[19:08:03] <andypugh> Cindy_90: Is this a general Linux Mint question, or a LinuxCNC question?
[19:08:33] -!- skunkworks has quit [Read error: Connection reset by peer]
[19:08:35] <Cindy_90> is a general linux mint question
[19:09:21] <Cindy_90> i have linux mint 15 installed into my pc but i have a problem with wi-fi connection
[19:09:27] <Cindy_90> and lan connection
[19:09:41] <Cindy_90> i don't have a driver for internet
[19:09:46] <Cindy_90> i have a router
[19:10:21] <Cindy_90> but non so come fare
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[19:11:53] <Cindy_90> help me please
[19:12:40] <andypugh> This forum is for LinuxCNC, we know a bit about Linux in general, but you might get better help on a Linux channel. There is a #linuxmint
[19:12:55] <jdh> you might try #linuxmint
[19:13:04] <archivist> this channel is about cnc machines and their control, not the operating system
[19:13:18] <Cindy_90> ok sorry
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[19:14:03] <pcw_home> skunkworks: if you get a chance can you try this on your 7I80
[19:14:05] <pcw_home> freeby.mesanet.com/readhmid
[19:14:06] <pcw_home> (normal system not realtime)
[19:14:56] <pcw_home> I should say normal network, not rtnet
[19:16:41] <Cindy_90> sorry but where is #linuxmint channel?
[19:18:08] <ReadError> omfg
[19:18:17] <ReadError> you probably should re-install windows..
[19:18:19] <ReadError> sorry to be rude
[19:18:37] <andypugh> Yes. There is one on irc.freenode.net, but also an official one on irc.spotchat.org (linuxmint-help)
[19:18:53] <ReadError> maybe put your mouse over it, click 2 times, watch magic happen
[19:19:21] <archivist> mouse over and right click in some clients
[19:19:22] <Cindy_90> thanks
[19:19:28] <andypugh> You should be able to click on #linuxmint right here, though that probably depends on your chat client.
[19:19:29] -!- Cindy_90 has quit []
[19:19:40] <ReadError> lol
[19:19:47] <ReadError> some people shouldnt try to install linux
[19:20:03] -!- hashfail_ has quit [Ping timeout: 268 seconds]
[19:20:26] <andypugh> The first (possibly) girl we have had here for months and you scared her away!
[19:20:29] * archivist reformats ReadError
[19:20:48] * ReadError is already /dev/zero
[19:21:36] <archivist> andypugh, you never noticed leeloomiai :)
[19:22:54] <andypugh> No, you are right.
[19:23:32] <ReadError> who joins an irc channel and automatically speaks .it
[19:23:50] <ReadError> and expects people to understand them
[19:23:51] <andypugh> An italian?
[19:23:58] <ReadError> and expects people to understand them ;)
[19:24:05] <andypugh> I understood, vaguely.
[19:24:25] <ReadError> problem linux mint 15
[19:24:34] <ReadError> thats the only thing i understood
[19:24:43] <andypugh> Network driver problem.
[19:25:09] <ReadError> <Cindy_90> ciao non so se posso chiedere a voi
[19:25:09] <ReadError> <Cindy_90> ho un problema con linux mint 15 mi aiutate? please :)
[19:25:14] <ReadError> i couldnt see that
[19:25:23] <ReadError> but i only speak 'murican
[19:25:43] <andypugh> But that doesn't mean you own the internet.
[19:26:03] <archivist> I can still count to three or maybe 5 in italian
[19:26:34] <andypugh> Is the "Calibration" window a standalone app that can be launced from the command line?
[19:26:39] <ReadError> andypugh i think we own more than italy
[19:27:31] <andypugh> Ford Motor Co own more IP space than Africa. But that doesn't mean that the whole of Africa has to start using the word "opportunity" when they mean "failure"
[19:31:38] <archivist> sell an upgrade!
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[19:36:08] <pcw_home> I always thought calibrate was built into axis, but I dont know
[19:36:49] <andypugh> It appears that way.
[19:43:25] <JT-Shop> can you run a stepper drive right from the second port on the 5i25?
[19:44:24] <pcw_home> Yes
[19:45:23] <pcw_home> or through a standard PP BOB with the right config
[19:47:12] <JT-Shop> hmm, I have a cnc4pc BOB that I used to use on plasma
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[19:47:53] <nspiel> does anyone know the right way to wire up limit switches
[19:48:04] <nspiel> to the i/o unused on mesa boards?
[19:48:20] <JT-Shop> yea
[19:48:57] <nspiel> how
[19:49:04] <nspiel> with pullup resistor?
[19:49:18] <JT-Shop> http://gnipsel.com/linuxcnc/configs/7i77.html
[19:49:50] <JT-Shop> limit switches are always N/C
[19:50:35] <nspiel> n/c = no connect?
[19:50:48] <JT-Shop> normally closed
[19:51:11] <JT-Shop> when you trip a limit switch you want the circuit to go open same as if you cut a wire
[19:51:59] <nspiel> how many limit switches can lcnc have per axis?
[19:52:13] <JT-Shop> as many as you want
[19:52:38] <nspiel> i have two per angular axis
[19:53:05] <pcw_home> bare FPGA I/O on Mesa FPGA cards always has pullups so NC switch to ground is the easiest way
[19:53:12] <JT-Shop> it is normal to have one limit on each end of travel for all axis unless there is no limit on the travel
[19:53:55] <JT-Shop> like on a 5i20?
[19:54:42] <nspiel> what does n/c to ground mean on mesa cards?
[19:55:09] <JT-Shop> n/c means a switch is closed unless tripped then it is open
[19:55:23] <JT-Shop> n/o is the opposite
[19:56:41] <nspiel> ?
[19:56:46] <nspiel> so it is hooked up to 5V on one end to a pin and then when tripped the pin goes to ground- the i/o pin on the mesa board
[19:58:51] <pcw_home> no, when not tripped, the limit switch ties the pin to ground (so it read as low or false)
[19:59:31] <nspiel> and then when tripped it should read nothing?
[20:00:21] <pcw_home> when the limit switch is tripped, the pin is left open and a pullup on the FPGA card pulls the pin to a high (true) state
[20:03:06] <pcw_home> You can verify this with your DVM
[20:03:07] <pcw_home> (unconnected FPGA input pins will read as ~3.3V which is a high input level)
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[20:06:10] <nspiel> and i can configure two limit switches per axis with lcnc and my mesa boards?
[20:08:35] <JT-Shop> http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
[20:10:11] <pcw_home> You can wire up as many limit switches as you have free pins,
[20:10:12] <pcw_home> I'm not sure linuxCNC can use more than 3 per axis (2 limits and a home)
[20:11:18] <JT-Shop> I'm pretty sure three imputs per axis is the max, you can have as many switches as you like
[20:11:57] <JT-Shop> my Hardinge CHNC had a coarse and fine home switch but I only used one with index
[20:12:16] <JT-Shop> so index might be the fourth input that can be used
[20:12:44] <pcw_home> yeah that is sort of a 4th limit
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[20:32:55] <Jymmm> Anyone have a genderless single conductor LOCKING in-line connector by chance?
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[20:34:37] <Loetmichel> http://www.eetimes.com/document.asp?doc_id=1278150 <- not genderlsss but works good ;-)
[20:35:29] <Jymmm> Needs to be gendeless, but thanks. I have one, but it doesn't lock.
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[20:39:19] <andypugh> Jymmm:
http://www.andersonpower.com/products/singlepole-connectors.html (but not _actually_ locking)
[20:41:34] <andypugh> This variant has an optional latch:
[20:41:36] <andypugh> http://www.andersonpower.com/products/powerpak-powerpole-pak.html
[20:42:05] <andypugh> But as far as I can tell, any time something grows a latch it stops being genderless.
[20:43:45] <Loetmichel> andypugh: maybe a construction like firehose connectors?
[20:43:54] <Loetmichel> i.e bayonet-like?
[20:44:05] <Loetmichel> that should be genderless AND locking
[20:45:41] <andypugh> Yes, good point. He didn't specify a size limit:
http://www.firelogistics.com.au/stortz25tail.jpg
[20:46:39] <Jymmm> andypugh: I have powerpoles now (genderless), just need the locking part
[20:47:21] <andypugh> drill a hole and have an R-clip on a chain?
[20:47:25] <Jymmm> r clip?
[20:47:45] <andypugh> No, an r-clip wouldn't work. Needs to be an R-clip
[20:48:06] <Jymmm> O_o
[20:48:09] <andypugh> http://en.wikipedia.org/wiki/R-clip
[20:48:33] <jdh> bigger powerpoles are pretty much self-locking
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[20:49:17] <andypugh> See? an t-clip would just fall stright out, just like the unpopular l-clip. the o-clip never got off the drawing-board.
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[21:00:04] <DJ9DJ> gn8
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[22:07:44] <Jymmm> andypugh:
http://i42.tinypic.com/33fgcx0.jpg
[22:08:30] <andypugh> There might be a knot that does not need the ends
[22:10:32] <andypugh> http://www.animatedknots.com/alpinebutterfly/
[22:11:15] <andypugh> Though, it has just occurred to me that I am being stupid, you can tie the half-hitch before mating the connectors.
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